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Mnenie [13.5K]
3 years ago
12

What are electrolytes?

Chemistry
1 answer:
Dimas [21]3 years ago
7 0

Answer:

Electrolytes are minerals in your body that have an electric charge. They are in your blood, urine, tissues, and other body fluids. Electrolytes are important because they help. Balance the amount of water in your body

Explanation:

You might be interested in
Consider the process used to produce iron metal from its ore.
Dmitry_Shevchenko [17]

Answer:

223.4 grams of iron can be produced from 2.5 moles of Fe2O3 and 6.0 moles of CO.

Explanation:

The balanced reaction is:

Fe₂O₃ (s) + 3 CO(g) → 2 Fe(s) + 3 CO₂ (g)

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of reactant and product participate in the reaction:

  • Fe₂O₃: 1 mole
  • CO: 3 moles
  • Fe: 2 moles
  • CO₂: 3 moles

Being:

  • Fe: 55.85 g/mole
  • O: 16 g/mole
  • C: 12 g/mole

the molar mass of the compounds participating in the reaction is:

  • Fe₂O₃: 2*55.85 g/mole + 3*16 g/mole= 159.7 g/mole
  • CO: 12 g/mole + 16 g/mole= 28 g/mole
  • Fe: 55.85 g/mole
  • CO₂: 12 g/mole + 2*16 g/mole= 44 g/mole

Then, by stoichiometry of the reaction, the following quantities participate in the reaction:

  • Fe₂O₃: 1 mole* 159.7 g/mole= 159.7 g
  • CO: 3 moles* 28 g/mole= 84 g
  • Fe: 2 moles* 55.85 g/mole= 111.7 g
  • CO₂: 3 moles* 44 g/mole= 132 g

The limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.

So, first of all, you can apply the following rule of three: if by reaction stoichiometry 1 mole of Fe₂O₃ reacts with 3 moles of CO, then 2.5 moles of Fe₂O₃ react with how many moles of CO?

moles of CO=\frac{2.5 moles of Fe_{2} O_{3}*3 moles of CO }{1 mole of Fe_{2} O_{3}}

moles of CO= 7.5

But 7.5 moles of CO are not available, 6.0 moles are available. Since you have less moles than you need to react with 2.5 moles of Fe₂O₃, CO will be the limiting reagent.

Now you can apply the following rule of three: if by reaction stoichiometry 3 moles of CO produce with 111.7 grams of Fe, then 6 moles of CO will produce how much mass of Fe?

mass of Fe=\frac{6 moles of CO*111.7 grams of Fe}{3 moles of CO}

mass of Fe= 223.4 grams

<u><em>223.4 grams of iron can be produced from 2.5 moles of Fe2O3 and 6.0 moles of CO.</em></u>

5 0
2 years ago
Chang described two substances which participate in photosynthesis.
Ede4ka [16]

Substance A is Chlorophyll and substance B is Oxygen

8 0
3 years ago
2. The following reaction takes place in a galvanic cell: 2Al(s) + 3Cu² (aq) → 2Al(aq) + 2Cu(s)
pychu [463]

The  standard cell potential is obtained from the equation of the reaction.

<h3>What is the  standard cell potential?</h3>

The  standard cell potential is obtained from the equation of the reaction. Now we have the overall cell equation as from the half reactions as;

Oxidation half reaction;

Al(s) --->Al³+ (aq) + 3 e

Reduction half equation;

Cu²+ (aq) + 2 e →→ Cu(s)

Standard cell potential Eºcell = 0.34V - (-1.66 V) = 2 V

Now;

ΔG = -nFEcell

ΔG = -(2 * 6 * 96500 * 2)

ΔG = -2316kJ

E = 2 - 0.0592/6 log [0.0025]/[3.5 M]

E = 2 + 0.031

E = 2.031 V

Learn more about standard cell potential:brainly.com/question/14240930

#SPJ1

8 0
1 year ago
The mass of an astronaut is 75 kg. What is his mass on Jupiter? The gravity of Jupiter is about
KiRa [710]

Answer:

The answer would be 187.5kg

Explanation:

You would have to do his original mass multiplied by the force of the gravity as it is stronger.

So 75 × 2.5 = 187.5kg

Hope this makes sense!

8 0
3 years ago
the pressure on 2.50L of N20 changes from 105 kPa to 40.5 kPa. if the temperature does not change, what will the new volume be.
tresset_1 [31]

Answer:

6.48L

Explanation:

Given parameters:

V₁ = 2.5L

P₁  = 105 kPa

P₂  =  40.5 kPa

Condition: constant temperature

Unknown:

V₂  = ?

Solution:

To solve this problem, we are considering pressure and volume relationship. This should be solved by applying the knowledge of Boyle's law.

The law states that "The volume of fixed mass of a gas varies inversely as the pressure changes if the temperature is constant".

Mathematically;

                     P₁V₁  = P₂V₂

where P and V are pressure and volume, 1 and 2 represents initial and final states.

Substitute to find the V₂;

                  105 x 2.5  = 40.5 x  V₂

        Solving for V₂ gives 6.48L

6 0
3 years ago
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